LG OLED55C3 Series User Manual

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Copyright © LG Electronics Inc. All rights reserved.
Only training and service purposes.
Main SoC
eMMC (8GB)
CI Slot
USB1 (2.0)
OCP
USB2 (2.0)
HDMI3 HDMI2(ARC) HDMI1
Air/ Cable
TUNER
(T2/C/A)
TUNER
(S,S2)
DVB-S
LNB
T2/C/S/S2 H-NIM tuner
IF (+/-)
P_TS_OUT
P_TS_IN
MICOM
IR / KEY
USB_WIFI
I2C1
X_TAL
50MHz
Sub Assy
LAN
ETHERNET
SPDIF
SPDIF OUT
H/P
AMP
AV/RS232
ICL3232
Front Audio AMP
I2S Out I2C 0
Vx1
Vx1
IF_S
IF
NVRAM (256Kb)
I2C_4
I2C3
IQ (+/-), IP(+/-)
HDMI4
TS
Area OPT
IR/Key
0.8V
Core
3.3V
Normal
3.5V
ST_BY
5V
Normal
0.8V
3.5V ST
0.8V
1.8V
3.3V
13V
3.3V
5V
5V
1.8V
1.1V
3.5V_ST
3.5V_ST
3.3V
3.5V_ST
3.5V_ST
3.5V ST
13V
13V
3.3V
To
Panel
From
Power
B/D
13V
To WIFI/BT
Combo
eMMC
CLK/DATA/STRB
USB3 (2.0)
IR Blaster
Vx1 (8 lane)
1.1V
DDR
1.1V
13V
1.8V
DDR
1.8V
0.8V
CPU
0.8V
Woofer Audio AMP
13V
Wov CLK out / DataIn
MIC
LPDDR4
12GB
(IC401)
LPDDR4
8GB
(IC402)
Vx1 (8 lane)
3.3V
1.8V1.1V 1.1V
1.8V
13V 13V
RS232
CVBS
3.3V EMMC
3.3V TU
AVD33 HDMI
DVD33
3.3V NORMAL
0.8V
AON
0.8V
13V
5V NORMAL
5V CI_ON
13V
3.5V AON
3.5V TU
DVD33 AON
3.5V ST
Signal Flow
Supply Power
In/out Power
BLOCK DIAGRAM

LG OLED55C3 Series Specifications

General

Display Type	OLED
Screen Size	55 inches
Smart TV	Yes
Operating System	webOS
HDMI Ports	4
USB Ports	3
Refresh Rate	120Hz
Processor	α9 Gen6 AI Processor 4K
ALLM	Yes
Audio Output	40W
Resolution	3840 x 2160 (4K)
HDR	HDR10, Dolby Vision, HLG
Wi-Fi	Yes
Bluetooth	Yes (5.0)
VRR	Yes
Dimensions (W x H x D)	1228 x 706 x 46.9 mm (without stand)